| Classification | Rubiaceae: Tetramerium |
| Classification 1 | Acanthaceae: Tetramerium |
| Classification 2 | Rubiaceae: Tetramerium |
| Harvard University Herbaria Barcode(s) | 00283540 |
| Type Status | Isolectotype |
| Collector | C. A. Ehrenberg |
| Collector number | 1072 |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | [Prope las Ajuntas ad flumen Montezuma] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/87eb92f4-fe67-4fd7-a129-03a77fc19ec2 |
| Harvard University Herbaria Barcode | 00283540 |
| Herbarium | GH |
| Previous ownership | ex (B) |
| Family | Rubiaceae |
| Determination | Tetramerium hispidum Nees |
| Determination Remarks | [is label name] |
| Family | Rubiaceae |
| Determination | Tetramerium hispidum Nees |
| Determined by | G. B. Harp |
| Date Determined | 1935-12-14 |
| Family | Acanthaceae |
| Determination | Tetramerium nervosum Nees |
| Determined by | T. F. Daniel (ASU) |
| Date Determined | 1984 |
| Determination Remarks | [is Current name] |
| Family | Rubiaceae |
| Type Status | Isolectotype |
| Isolectotype of | Tetramerium hispidum Nees |
| Verified by | K. N. Gandhi & W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | LT: (B) destroyed fide T. F. Daniel, Syst. Bot. Monogr. 12: 46. 1986 |
| Taxon Reference | (for Tetramerium hispidum Nees) Prodr. [A. P. de Candolle] 1847. 11: 468. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
